Samson technologies recently unveiled two new headphones offering unparalleled sound quality. The CH700 is a closed mold head phone with the 40mm diameter unit of the Ultra Thin Mylar diaphragm. The playback frequency range of these headphones is 20Hz – 20kHz while their impedance is 64? and sensitivity is 108db. Offering great fit, it actually covers your ears with its large-sized year pad. It is available for 5,500 – 6,000 Yen. The RH600 is an open type headphone bearing 64? impedance, 20Hz – 20kHz frequency range and 108dB sensitivity. Own it for 6,000 – 6,500 Yen and enjoy fine quality music.